Gary Barlow, Ricky Gervais, Jessica Hynes, Kermit and Constatine

Alan is joined by singer, songwriter and X Factor judge Gary Barlow, who also performs his latest single Since I Saw You Last. Comedian and actor Ricky Gervais joins Alan to talk about his latest film Muppets Most Wanted, together with two of the movie's stars - the one and only Kermit the Frog and his froggy nemesis Constantine. And Jessica Hynes tells Alan about reprising her role as Siobhan Sharpe in the new comedy W1A.